Finding the Fourth Proportional to 2,174,604.86, 3,001,039.26 and 1,207,808.84
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Solution
The fourth proportional to 2,174,604.86, 3,001,039.26 and 1,207,808.84 is: 1,666,823.16
Step by Step Solution
- Step 1: Write the proportion equation
2,174,604.86 : 3,001,039.26 = 1,207,808.84 : x - Step 2: Convert to fraction form
2,174,604.86/3,001,039.26 = 1,207,808.84/x - Step 3: Cross multiply
2,174,604.86x = 3,001,039.26 × 1,207,808.84 - Step 4: Simplify right side
2,174,604.86x = 3,624,681,747,415.06 - Step 5: Solve for x
x = 3,624,681,747,415.06/2,174,604.86 - Step 6: Final answer
x = 1,666,823.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.